have to give props to ATI. years ago when i was looking for a race converter researched many companies, COAN is local to me. learned that ATI manufactures all the components for the converter in house, they also at the time claimed that they had more stock and super stock nhra class records than anyone else. that really sold me. stall was perfect first shot, converter has been back one time for a freshening. still getting it done. there are many great converter companies, i can highly recommend ATI